/* ---------------------------------------------------------------- tokens */
:root{
  --bg:#0e1116; --bg-2:#151a21; --bg-3:#1c222b; --bg-4:#232b36;
  --line:#2b3441; --line-2:#38424f;
  --fg:#e6ebf2; --fg-2:#a5b1c2; --fg-3:#6f7d8f;
  --accent:#4c8dff; --accent-2:#7aa9ff; --accent-soft:rgba(76,141,255,.14);
  --good:#3ecf8e; --warn:#f0b429; --bad:#f4636e;
  --radius:8px; --radius-lg:12px;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --shadow:0 8px 28px rgba(0,0,0,.45);
}
html[data-theme="light"]{
  --bg:#f6f8fb; --bg-2:#ffffff; --bg-3:#f0f3f8; --bg-4:#e6ebf2;
  --line:#dde3ec; --line-2:#c8d1de;
  --fg:#131922; --fg-2:#4d5a6b; --fg-3:#8593a5;
  --accent:#1f6feb; --accent-2:#1a5ed1; --accent-soft:rgba(31,111,235,.10);
  --good:#1a8f5f; --warn:#b07000; --bad:#d0343f;
  --shadow:0 8px 28px rgba(16,24,40,.12);
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0; background:var(--bg); color:var(--fg);
  font:14px/1.45 var(--sans);
  -webkit-font-smoothing:antialiased;
  display:flex; flex-direction:column; overflow:hidden;
}
button,input,select,textarea{font:inherit;color:inherit}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:var(--line-2);border-radius:6px;border:2px solid transparent;background-clip:content-box}
::-webkit-scrollbar-track{background:transparent}

/* ---------------------------------------------------------------- chrome */
header.appbar{
  display:flex;align-items:center;gap:14px;padding:9px 14px;
  background:var(--bg-2);border-bottom:1px solid var(--line);flex:0 0 auto;
}
.brand{display:flex;align-items:center;gap:9px;font-weight:650;letter-spacing:-.01em;white-space:nowrap}
.brand svg{display:block}
.brand small{font-weight:450;color:var(--fg-3);font-size:11px;letter-spacing:.04em;text-transform:uppercase}
.modelname{
  background:var(--bg-3);border:1px solid var(--line);border-radius:var(--radius);
  padding:6px 10px;min-width:200px;max-width:340px;flex:0 1 auto;
}
.modelname:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.tabs{display:flex;gap:2px;background:var(--bg-3);padding:3px;border-radius:10px;margin-left:6px}
.tabs button{
  background:transparent;border:0;padding:7px 15px;border-radius:7px;
  color:var(--fg-2);cursor:pointer;font-weight:550;display:flex;align-items:center;gap:7px;
}
.tabs button:hover{color:var(--fg)}
.tabs button[aria-selected="true"]{background:var(--bg-2);color:var(--fg);box-shadow:0 1px 3px rgba(0,0,0,.25)}
.tabs .cnt{font-size:11px;color:var(--fg-3);font-variant-numeric:tabular-nums}
.spacer{flex:1 1 auto}
.appbar .tools{display:flex;gap:6px;align-items:center}

/* ---------------------------------------------------------------- buttons */
.btn{
  background:var(--bg-3);border:1px solid var(--line);color:var(--fg);
  padding:6px 11px;border-radius:var(--radius);cursor:pointer;
  display:inline-flex;align-items:center;gap:6px;white-space:nowrap;
  transition:background .12s,border-color .12s;
}
.btn:hover{background:var(--bg-4);border-color:var(--line-2)}
.btn:active{transform:translateY(.5px)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:550}
.btn.primary:hover{background:var(--accent-2);border-color:var(--accent-2)}
.btn.ghost{background:transparent;border-color:transparent;color:var(--fg-2)}
.btn.ghost:hover{background:var(--bg-3);color:var(--fg)}
.btn.danger{color:var(--bad)}
.btn.danger:hover{background:rgba(244,99,110,.12);border-color:rgba(244,99,110,.4)}
.btn.sm{padding:3px 8px;font-size:12px}
.btn.icon{padding:6px;width:32px;justify-content:center}
.btn[disabled]{opacity:.45;cursor:not-allowed}
.btn.on{border-color:var(--accent);background:var(--accent-soft);color:var(--accent)}

/* ---------------------------------------------------------------- layout */
main{flex:1 1 auto;min-height:0;position:relative}
.panel{position:absolute;inset:0;display:none;min-height:0}
.panel.active{display:flex}

/* model tab */
#tab-model{flex-direction:row}
.col{display:flex;flex-direction:column;min-height:0;min-width:0}
.col-list{flex:0 0 320px;border-right:1px solid var(--line);background:var(--bg-2)}
.col-edit{flex:1 1 auto;background:var(--bg)}
.col-side{flex:0 0 292px;border-left:1px solid var(--line);background:var(--bg-2)}
@media(max-width:1240px){.col-side{display:none}}
@media(max-width:900px){.col-list{flex-basis:250px}}

.sec{border-bottom:1px solid var(--line);display:flex;flex-direction:column;min-height:0}
.sec.grow{flex:1 1 auto}
/* Side column. Flex shrinks items in proportion to their content height, so a
   long Labels list used to squeeze a short Validation list down to nothing but
   its header. `.share` gives those two a floor they cannot shrink past — past
   that point each body scrolls inside its own box instead. Overview is `.fixed`
   because its six rows have nothing to gain from shrinking. The column itself
   scrolls as a last resort, for windows too short to honour every floor. */
.col-side{overflow:auto}
.col-side .sec.fixed{flex:0 0 auto}
.col-side .sec.share{flex:1 1 auto;min-height:106px}
.col-side .sec.collapsed{flex:0 0 auto;min-height:0}
.sec.collapsed .sec-bd{display:none}
.sec-hd.collapsible{cursor:pointer;user-select:none}
.sec-hd.collapsible:hover{color:var(--fg-2)}
.sec-hd.collapsible:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}
.sec-hd.collapsible::after{
  content:"▾";display:inline-block;margin-left:auto;font-size:11px;color:var(--fg-3);
  transition:transform .12s ease;
}
.sec.collapsed .sec-hd.collapsible::after{transform:rotate(-90deg)}
.sec-hd{
  display:flex;align-items:center;gap:8px;padding:9px 12px;
  font-size:11px;font-weight:650;letter-spacing:.07em;text-transform:uppercase;color:var(--fg-3);
  position:sticky;top:0;background:var(--bg-2);z-index:2;
}
.sec-hd .n{background:var(--bg-4);color:var(--fg-2);border-radius:20px;padding:1px 7px;font-size:10px;letter-spacing:0}
.sec-bd{overflow:auto;padding:0 8px 10px;flex:1 1 auto;min-height:0}
.search{margin:0 12px 8px;position:relative}
/* [type=search] is not decoration: the generic input[type=search] rule below has
   the same specificity, so a bare `.search input` loses the left padding to it
   and the magnifier ends up sitting on the placeholder. */
.search input[type=search]{width:100%;background:var(--bg-3);border:1px solid var(--line);border-radius:var(--radius);padding:6px 10px 6px 28px}
.search input[type=search]:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.search svg{position:absolute;left:8px;top:50%;transform:translateY(-50%);color:var(--fg-3)}

.item{
  display:flex;align-items:center;gap:9px;padding:7px 9px;border-radius:var(--radius);
  cursor:pointer;border:1px solid transparent;
}
.item:hover{background:var(--bg-3)}
.item.sel{background:var(--accent-soft);border-color:rgba(76,141,255,.35)}
.item .dot{width:11px;height:11px;border-radius:50%;flex:0 0 auto;box-shadow:0 0 0 2px rgba(0,0,0,.18) inset}
.item .nm{flex:1 1 auto;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:500}
.item .meta{font-size:11px;color:var(--fg-3);white-space:nowrap;font-variant-numeric:tabular-nums}
/* Warn-coloured, matching .issue.wrn — a badge is the same finding as the
   validation warning, just shown where the duplicate actually is. */
.item .dupe{
  flex:0 0 auto;font-size:10px;font-weight:600;padding:1px 6px;border-radius:20px;
  background:rgba(240,180,41,.14);color:var(--warn);border:1px solid rgba(240,180,41,.32);
}
.item .arrow{font-family:var(--mono);font-size:11px;color:var(--fg-3);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1 1 auto}
.item.rel .nm{flex:0 0 auto;max-width:44%}
.empty{color:var(--fg-3);padding:16px 10px;text-align:center;font-size:13px;line-height:1.6}

/* editor */
.edit-hd{
  display:flex;align-items:center;gap:10px;padding:12px 18px;
  border-bottom:1px solid var(--line);background:var(--bg-2);flex:0 0 auto;
}
.edit-hd .kind{
  font-size:10px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  padding:3px 8px;border-radius:5px;background:var(--bg-4);color:var(--fg-2);
}
.edit-hd h2{margin:0;font-size:16px;font-weight:620;letter-spacing:-.01em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.edit-bd{overflow:auto;padding:18px;flex:1 1 auto;min-height:0}
.form{max-width:920px;display:flex;flex-direction:column;gap:16px}
.fieldrow{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:12px}
.field{display:flex;flex-direction:column;gap:5px;min-width:0}
.field > label{font-size:11px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;color:var(--fg-3)}
.field .hint{font-size:11px;color:var(--fg-3)}
input[type=text],input[type=search],select,textarea{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);
  padding:7px 10px;width:100%;
}
html[data-theme="light"] input[type=text],html[data-theme="light"] select,html[data-theme="light"] textarea{background:#fff}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
textarea{resize:vertical;min-height:64px;font-family:inherit}
.mono{font-family:var(--mono);font-size:12.5px}
select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--fg-3) 50%),linear-gradient(135deg,var(--fg-3) 50%,transparent 50%);background-position:calc(100% - 15px) 52%,calc(100% - 10px) 52%;background-size:5px 5px,5px 5px;background-repeat:no-repeat;padding-right:28px}
.checkline{display:flex;align-items:center;gap:7px;font-size:13px;color:var(--fg-2);cursor:pointer;user-select:none}
input[type=checkbox]{accent-color:var(--accent);width:15px;height:15px;cursor:pointer}

fieldset{border:1px solid var(--line);border-radius:var(--radius-lg);padding:14px;margin:0;background:var(--bg-2)}
html[data-theme="light"] fieldset{background:#fff}
fieldset > legend{
  font-size:11px;font-weight:650;letter-spacing:.06em;text-transform:uppercase;color:var(--fg-3);
  padding:0 6px;margin-left:-4px;
}
.tagbox{display:flex;flex-wrap:wrap;gap:6px;align-items:center;padding:6px;background:var(--bg-3);border:1px solid var(--line);border-radius:var(--radius);min-height:38px}
.tag{display:inline-flex;align-items:center;gap:6px;padding:3px 5px 3px 9px;border-radius:20px;font-size:12px;font-weight:550;color:#fff}
.tag button{background:rgba(0,0,0,.22);border:0;color:#fff;width:16px;height:16px;border-radius:50%;cursor:pointer;line-height:1;display:grid;place-items:center;font-size:11px;padding:0}
.tag button:hover{background:rgba(0,0,0,.42)}
.tagbox input{border:0;background:transparent;flex:1 1 90px;min-width:90px;padding:3px 4px}
.tagbox input:focus{outline:none;box-shadow:none}

/* property table */
table.props{width:100%;border-collapse:separate;border-spacing:0}
table.props th{
  text-align:left;font-size:10px;font-weight:650;letter-spacing:.06em;text-transform:uppercase;
  color:var(--fg-3);padding:0 6px 7px;
}
table.props td{padding:3px 4px;vertical-align:middle}
table.props td:first-child,table.props th:first-child{padding-left:0}
table.props .ctr{text-align:center;width:52px}
table.props .grip{width:22px;color:var(--fg-3);cursor:grab;text-align:center;user-select:none}
table.props tr.dragging{opacity:.4}
table.props tr.dropafter td{box-shadow:inset 0 -2px 0 var(--accent)}
table.props tr.dropbefore td{box-shadow:inset 0 2px 0 var(--accent)}
.rowdel{width:30px}

/* side panel */
.legend-item{display:flex;align-items:center;gap:9px;padding:5px 4px;border-radius:6px;cursor:pointer}
.legend-item:hover{background:var(--bg-3)}
.legend-item.on{background:var(--accent-soft);box-shadow:inset 0 0 0 1px rgba(76,141,255,.35)}
.legend-item.on .nm{color:var(--accent);font-weight:550}
.legend-item .sw{width:12px;height:12px;border-radius:3px;flex:0 0 auto}
.legend-item .nm{flex:1 1 auto;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.legend-item .n{font-size:11px;color:var(--fg-3);font-variant-numeric:tabular-nums}
.stat{display:flex;justify-content:space-between;padding:4px 4px;font-size:13px}
.stat span:last-child{font-variant-numeric:tabular-nums;font-weight:600}
.issue{display:flex;gap:8px;padding:7px 8px;border-radius:7px;font-size:12.5px;line-height:1.45;margin-bottom:5px;cursor:pointer}
.issue:hover{filter:brightness(1.12)}
.issue.err{background:rgba(244,99,110,.12);color:var(--bad)}
.issue.wrn{background:rgba(240,180,41,.12);color:var(--warn)}
.issue .ic{flex:0 0 auto;font-weight:700}
.ok-msg{display:flex;align-items:center;gap:8px;color:var(--good);font-size:13px;padding:6px 4px}

/* ---------------------------------------------------------------- graph tab */
#tab-graph{flex-direction:column}
.gbar{
  display:flex;align-items:center;gap:6px;padding:8px 12px;flex:0 0 auto;
  background:var(--bg-2);border-bottom:1px solid var(--line);flex-wrap:wrap;
}
.gbar .div{width:1px;height:22px;background:var(--line);margin:0 3px}
.gbar label.checkline{padding:0 4px}
.gstage{flex:1 1 auto;position:relative;min-height:0;overflow:hidden;background:var(--bg)}
#gsvg{position:absolute;inset:0;width:100%;height:100%;display:block;cursor:grab;touch-action:none}
#gsvg.panning{cursor:grabbing}
#gsvg text{user-select:none;-webkit-user-select:none}
.gnode{cursor:pointer}
.gnode .body{stroke-width:2.5}
.gnode.dim{opacity:.16}
.gnode.sel .body{stroke:var(--fg);stroke-width:4}
.gnode.msel .halo{fill:none;stroke:var(--accent);stroke-width:2.4;stroke-dasharray:5 4}
.gmarquee{fill:var(--accent-soft);stroke:var(--accent)}
#gsvg.marquee{cursor:crosshair}
.gselinfo{
  background:var(--bg-2);border:1px solid var(--accent);color:var(--accent);
  border-radius:20px;padding:4px 11px;font-size:11.5px;font-weight:600;
  box-shadow:var(--shadow);white-space:nowrap;pointer-events:none;
}
.gselinfo[hidden]{display:none}
.gnode text.lbl{font:600 12px var(--sans);text-anchor:middle;pointer-events:none}
.gedge path{fill:none;stroke:var(--fg-3);stroke-width:1.8}
.gedge.dim{opacity:.1}
.gedge.sel path{stroke:var(--accent);stroke-width:3}
.gedge text{font:550 10.5px var(--mono);text-anchor:middle;fill:var(--fg-2);pointer-events:none}
.gedge rect.pill{fill:var(--bg);stroke:var(--line);rx:4;cursor:pointer}
.gedge.sel rect.pill{stroke:var(--accent)}
.gedge.sel text{fill:var(--accent)}
.gprops{font:11px var(--mono);fill:var(--fg-2);pointer-events:none}
.gprops-bg{fill:var(--bg-2);stroke:var(--line);rx:5}
.gempty{position:absolute;inset:0;display:grid;place-items:center;color:var(--fg-3);text-align:center;pointer-events:none;padding:24px}
.gempty[hidden]{display:none}   /* the class sets display, so [hidden] needs to win explicitly */
.glegend{
  position:absolute;left:12px;bottom:12px;background:var(--bg-2);border:1px solid var(--line);
  border-radius:var(--radius-lg);box-shadow:var(--shadow);max-height:56%;overflow:auto;
  min-width:150px;max-width:230px;
}
/* Padding sits on the children, not the box, so the heading can stick to the
   top while a long label list scrolls under it. */
.glegend h4{
  margin:0;padding:9px 11px 6px;font-size:10px;letter-spacing:.07em;text-transform:uppercase;
  color:var(--fg-3);font-weight:650;display:flex;align-items:center;gap:7px;
  position:sticky;top:0;background:var(--bg-2);z-index:1;
}
.glegend h4 .n{
  background:var(--bg-4);color:var(--fg-2);border-radius:20px;padding:1px 6px;
  font-size:10px;letter-spacing:0;font-variant-numeric:tabular-nums;
}
#glegend-items{padding:0 7px 8px}
.ghud{
  position:absolute;right:12px;top:12px;display:flex;flex-direction:column;gap:6px;align-items:flex-end;
}
.ghud .zoomgrp{display:flex;flex-direction:column;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.ghud .zoomgrp button{background:transparent;border:0;color:var(--fg);width:32px;height:30px;cursor:pointer;font-size:15px;display:grid;place-items:center}
.ghud .zoomgrp button:hover{background:var(--bg-4)}
.ghud .zoomgrp button+button{border-top:1px solid var(--line)}
.gtip{
  position:absolute;pointer-events:none;background:var(--bg-2);border:1px solid var(--line-2);
  border-radius:var(--radius);box-shadow:var(--shadow);padding:8px 10px;max-width:280px;
  font-size:12px;line-height:1.5;opacity:0;transition:opacity .12s;z-index:5;
}
.gtip.on{opacity:1}
.gtip b{display:block;font-size:13px;margin-bottom:3px}
.gtip .r{color:var(--fg-3);font-family:var(--mono);font-size:11px}

/* Right-click menu. Fixed to the viewport and parented to <body>, so it is
   never clipped by the graph stage and sits above the modal mask (z 50). */
.ctxmenu{
  position:fixed;z-index:60;min-width:190px;padding:5px;
  background:var(--bg-2);border:1px solid var(--line-2);border-radius:var(--radius);
  box-shadow:var(--shadow);font-size:13px;
}
.ctxmenu .mi-hd{
  padding:5px 9px 7px;color:var(--fg-3);font-size:11px;font-weight:650;letter-spacing:.04em;
  max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.ctxmenu button.mi{
  display:flex;align-items:center;gap:8px;width:100%;text-align:left;white-space:nowrap;
  background:none;border:0;color:var(--fg);font:inherit;cursor:pointer;
  padding:6px 9px;border-radius:5px;
}
.ctxmenu button.mi:hover:not([disabled]),.ctxmenu button.mi:focus-visible{background:var(--bg-4);outline:none}
.ctxmenu button.mi[disabled]{opacity:.45;cursor:not-allowed}
.ctxmenu button.mi.danger{color:var(--bad)}
.ctxmenu button.mi.danger:hover:not([disabled]){background:rgba(244,99,110,.12)}
.ctxmenu .sep{height:1px;margin:4px 2px;background:var(--line)}
/* Shape row: six icons beat six more text rows, and the icon is the thing
   being chosen, so drawing it is the clearest possible label. */
.ctxmenu .mi-shapes{display:flex;gap:4px;padding:1px 7px 5px}
.ctxmenu button.mi-shape{
  display:flex;align-items:center;justify-content:center;width:30px;height:30px;padding:0;
  background:none;border:1px solid transparent;border-radius:6px;
  color:var(--fg-2);cursor:pointer;
}
.ctxmenu button.mi-shape:hover:not([disabled]),.ctxmenu button.mi-shape:focus-visible{
  background:var(--bg-4);color:var(--fg);outline:none;
}
.ctxmenu button.mi-shape.on{border-color:var(--accent);background:var(--accent-soft);color:var(--accent)}
.ctxmenu button.mi-shape[disabled]{opacity:.45;cursor:not-allowed}

/* ---------------------------------------------------------------- io tab */
#tab-io{flex-direction:row;overflow:hidden}
.io-col{flex:1 1 50%;display:flex;flex-direction:column;min-width:0;min-height:0;overflow:auto}
.io-col+.io-col{border-left:1px solid var(--line);background:var(--bg-2)}
@media(max-width:1000px){#tab-io{flex-direction:column;overflow:auto}.io-col{overflow:visible}}
.io-inner{padding:18px 20px;display:flex;flex-direction:column;gap:14px}
.io-inner h3{margin:0;font-size:15px;font-weight:620;display:flex;align-items:center;gap:8px}
.io-inner p.sub{margin:-6px 0 0;color:var(--fg-3);font-size:12.5px;line-height:1.55}
.drop{
  border:1.5px dashed var(--line-2);border-radius:var(--radius-lg);padding:26px 18px;text-align:center;
  color:var(--fg-2);cursor:pointer;transition:.14s;background:var(--bg-2);
}
html[data-theme="light"] .drop{background:#fff}
.drop:hover,.drop.over{border-color:var(--accent);background:var(--accent-soft);color:var(--fg)}
.drop strong{display:block;font-size:14px;color:var(--fg);margin-bottom:4px}
.drop small{color:var(--fg-3);font-size:11.5px;line-height:1.6;display:block}
/* merge preview (inside the confirm modal) */
.mgbox{display:flex;flex-direction:column;gap:7px}
.mghd{font-size:10.5px;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:var(--fg-3);margin-top:6px}
.mgrow{display:flex;gap:10px;align-items:baseline}
.mgn{font:600 13px var(--mono);min-width:2.1em;text-align:right;color:var(--fg-2);flex:none}
.mgn.good{color:var(--good)} .mgn.warn{color:var(--warn)} .mgn.bad{color:var(--bad)}
.mgl{font-size:12.5px;color:var(--fg)}
.mgv{font-size:11.5px;color:var(--fg-3);line-height:1.5;word-break:break-word}
.mgwarn{background:var(--bg-3);border:1px solid var(--line);border-radius:var(--radius);padding:9px 11px;
  font-size:11.5px;color:var(--fg-2);line-height:1.55;display:flex;flex-direction:column;gap:5px}
.mgc{display:flex;gap:9px;align-items:baseline;font-size:11.5px}
.mgc code{font:600 11px var(--mono);color:var(--fg)}
.mgc span{color:var(--fg-3)}
.expdesc{display:flex;align-items:flex-start;gap:7px;font-size:11.5px;color:var(--fg-3);line-height:1.5;min-height:17px}
.expdesc .badge{font:600 9.5px var(--mono);letter-spacing:.06em;padding:2px 5px;border-radius:4px;background:var(--accent-soft);color:var(--accent);flex:none}
pre.code{
  background:var(--bg-3);border:1px solid var(--line);border-radius:var(--radius);
  padding:11px 13px;overflow:auto;max-height:340px;font:12px/1.6 var(--mono);margin:0;white-space:pre;
}
html[data-theme="light"] pre.code{background:#f7f9fc}
.io-msg{padding:9px 12px;border-radius:var(--radius);font-size:12.5px;line-height:1.5;display:none}
.io-msg.on{display:block}
.io-msg.good{background:rgba(62,207,142,.12);color:var(--good)}
.io-msg.bad{background:rgba(244,99,110,.12);color:var(--bad)}
.io-msg.info{background:var(--accent-soft);color:var(--accent)}
.seg{display:inline-flex;background:var(--bg-3);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.seg button{background:transparent;border:0;padding:5px 11px;cursor:pointer;color:var(--fg-2);font-size:12.5px}
.seg button+button{border-left:1px solid var(--line)}
.seg button.on{background:var(--accent);color:#fff;font-weight:550}

/* ---------------------------------------------------------------- modal */
.mask{position:fixed;inset:0;background:rgba(4,7,11,.62);display:none;place-items:center;z-index:50;padding:20px}
.mask.on{display:grid}
.modal{background:var(--bg-2);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);width:min(560px,100%);overflow:hidden}
.modal header{padding:14px 18px;border-bottom:1px solid var(--line);font-weight:620;font-size:15px}
.modal .body{padding:18px;display:flex;flex-direction:column;gap:12px;max-height:60vh;overflow:auto}
.modal footer{padding:12px 18px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:8px;background:var(--bg-3)}
.toast{
  position:fixed;left:50%;bottom:26px;transform:translate(-50%,14px);z-index:60;
  background:var(--bg-4);border:1px solid var(--line-2);color:var(--fg);
  padding:9px 15px;border-radius:22px;box-shadow:var(--shadow);font-size:13px;
  opacity:0;transition:.2s;pointer-events:none;display:flex;align-items:center;gap:8px;
}
.toast.on{opacity:1;transform:translate(-50%,0)}
kbd{font:600 10.5px var(--mono);background:var(--bg-4);border:1px solid var(--line-2);border-bottom-width:2px;border-radius:4px;padding:1px 5px;color:var(--fg-2)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}